38679231 has 24 divisors (see below), whose sum is σ = 55729920. Its totient is φ = 23795856.

The previous prime is 38679229. The next prime is 38679239. The reversal of 38679231 is 13297683.

It is not a de Polignac number, because 38679231 - 2¹ = 38679229 is a prime.

It is a super-2 number, since 2×38679231² = 2992165821502722, which contains 22 as substring.

Its product of digits (54432) is a multiple of the sum of its prime divisors (432).

It is a self number, because there is not a number n which added to its sum of digits gives 38679231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38679239) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105210 + ... + 105576.

It is an arithmetic number, because the mean of its divisors is an integer number (2322080).

Almost surely, 2^38679231 is an apocalyptic number.

38679231 is a deficient number, since it is larger than the sum of its proper divisors (17050689).

38679231 is a wasteful number, since it uses less digits than its factorization.

38679231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 432 counting only the distinct ones).

The product of its digits is 54432, while the sum is 39.

The square root of 38679231 is about 6219.2628984470. The cubic root of 38679231 is about 338.1888438547.

The spelling of 38679231 in words is "thirty-eight million, six hundred seventy-nine thousand, two hundred thirty-one".